Organisms and their Environment — Practice Questions

Question 1

A food chain always begins with a:

Accepted Answer

producer — Food chains start with a producer (plant).

Question 2

Where does the energy in a food chain originally come from?

Accepted Answer

The Sun — Energy enters as sunlight, captured by plants.

Question 3

In 'grass → rabbit → fox', the arrow means:

Accepted Answer

is eaten by — The arrow means "is eaten by".

Question 4

Many food chains linked together make a:

Accepted Answer

food web — Linked chains make a food web.

Question 5

Energy is ___ at each step of a food chain.

Accepted Answer

lost — Energy is lost at each level, so chains are short.

Question 6

Green plants in a food chain are called:

Accepted Answer

producers — Plants are producers.